ZyXEL Communications Network Card unified security gateway Manuel d'utilisateur télécharger pdf (Page 29)

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ZyWALL USG 20/20W User’s Guide

CHAPTER 1

Introducing the ZyWALL

This chapter gives an overview of the ZyWALL. It explains the front panel ports,

LEDs, introduces the management methods, and lists different ways to start or

stop the ZyWALL.

1.1 Overview and Key Default Settings

The ZyWALL is a comprehensive security device. Its flexible configuration helps

network administrators set up the network and enforce security policies efficiently.

In addition, the ZyWALL provides excellent throughput, making it an ideal solution

for reliable, secure service.

The ZyWALL’s security features include VPN, firewall, content filtering, ADP

(Anomaly Detection and Protection), and certificates. It also provides bandwidth

management, Instant Messaging (IM) and Peer to Peer (P2P) control, NAT, port

forwarding, policy routing, DHCP server and many other powerful features.

Flexible configuration helps you set up the network and enforce security policies

efficiently. See Chapter 2 on page 37 for a more detailed overview of the ZyWALL’s

features.

The ZyWALL provides excellent throughput with the reliability of dual WAN Gigabit

Ethernet ports and load balancing. You can also use a 3G cellular USB (not

included) for a third WAN connection.

The ZyWALL lets you set up multiple networks for your company. The De-

Militarized Zone (DMZ) increases LAN security by providing separate ports for

connecting publicly accessible servers. The ZyWALL also provides two separate

LAN networks. You can set ports to be part of the LAN1, WLAN, or DMZ.

Alternatively, you can deploy the ZyWALL as a transparent firewall in an existing

network with minimal configuration.

1.2 Wall-mounting

Do the following to attach your ZyWALL to a wall.

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ZyXEL Communications Network Card unified security gateway Manuel d'utilisateur Page 29

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